Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
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Snowiest city in the U.S. : Blue canyon, California.
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The winter of 1912 was so cold that Niagara Falls froze over.
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Moist air holds heat better than dry air.
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Rain contains vitamin B12.
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Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
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9 out of 10 lightning strike victims survive!
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